38328769 has 2 divisors, whose sum is σ = 38328770. Its totient is φ = 38328768.

The previous prime is 38328751. The next prime is 38328779. The reversal of 38328769 is 96782383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 6066369 = 5680^2 + 2463^2 .

It is an emirp because it is prime and its reverse (96782383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38328769 - 2¹³ = 38320577 is a prime.

It is a super-2 number, since 2×38328769² = 2938189066110722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38328709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19164384 + 19164385.

It is an arithmetic number, because the mean of its divisors is an integer number (19164385).

Almost surely, 2^38328769 is an apocalyptic number.

It is an amenable number.

38328769 is a deficient number, since it is larger than the sum of its proper divisors (1).

38328769 is an equidigital number, since it uses as much as digits as its factorization.

38328769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 38328769 is about 6191.0232595267. The cubic root of 38328769 is about 337.1643309174.

The spelling of 38328769 in words is "thirty-eight million, three hundred twenty-eight thousand, seven hundred sixty-nine".